wmhttp 0.3.1

a http server for rust
Documentation 
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use std::fmt;
use std::io;
use std::io::IoSlice;
use std::pin::Pin;
use std::task::{Context, Poll};

use tokio::io::{AsyncRead, AsyncWrite, ReadBuf};
use tokio_rustls::client::TlsStream;

/// A stream that might be protected with TLS.
pub enum MaybeHttpsStream<T> {
    /// A stream over plain text.
    Http(T),
    /// A stream protected with TLS.
    Https(TlsStream<T>),
}

impl<T> MaybeHttpsStream<T> {
    pub fn into_io(self) -> T {
        match self {
            MaybeHttpsStream::Http(h) => h,
            MaybeHttpsStream::Https(h) => h.into_inner().0,
        }
    }
}

// ===== impl MaybeHttpsStream =====

impl<T: fmt::Debug> fmt::Debug for MaybeHttpsStream<T> {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        match self {
            MaybeHttpsStream::Http(s) => f.debug_tuple("Http").field(s).finish(),
            MaybeHttpsStream::Https(s) => f.debug_tuple("Https").field(s).finish(),
        }
    }
}

impl<T> From<T> for MaybeHttpsStream<T> {
    fn from(inner: T) -> Self {
        MaybeHttpsStream::Http(inner)
    }
}

impl<T> From<TlsStream<T>> for MaybeHttpsStream<T> {
    fn from(inner: TlsStream<T>) -> Self {
        MaybeHttpsStream::Https(inner)
    }
}

impl<T: AsyncRead + AsyncWrite + Unpin> AsyncRead for MaybeHttpsStream<T> {
    #[inline]
    fn poll_read(
        self: Pin<&mut Self>,
        cx: &mut Context,
        buf: &mut ReadBuf,
    ) -> Poll<Result<(), io::Error>> {
        match Pin::get_mut(self) {
            MaybeHttpsStream::Http(s) => Pin::new(s).poll_read(cx, buf),
            MaybeHttpsStream::Https(s) => Pin::new(s).poll_read(cx, buf),
        }
    }
}

impl<T: AsyncWrite + AsyncRead + Unpin> AsyncWrite for MaybeHttpsStream<T> {
    #[inline]
    fn poll_write(
        self: Pin<&mut Self>,
        cx: &mut Context<'_>,
        buf: &[u8],
    ) -> Poll<Result<usize, io::Error>> {
        match Pin::get_mut(self) {
            MaybeHttpsStream::Http(s) => Pin::new(s).poll_write(cx, buf),
            MaybeHttpsStream::Https(s) => Pin::new(s).poll_write(cx, buf),
        }
    }

    fn poll_write_vectored(
        self: Pin<&mut Self>,
        cx: &mut Context<'_>,
        bufs: &[IoSlice<'_>],
    ) -> Poll<Result<usize, io::Error>> {
        match Pin::get_mut(self) {
            MaybeHttpsStream::Http(s) => Pin::new(s).poll_write_vectored(cx, bufs),
            MaybeHttpsStream::Https(s) => Pin::new(s).poll_write_vectored(cx, bufs),
        }
    }

    fn is_write_vectored(&self) -> bool {
        match self {
            MaybeHttpsStream::Http(s) => s.is_write_vectored(),
            MaybeHttpsStream::Https(s) => s.is_write_vectored(),
        }
    }

    #[inline]
    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), io::Error>> {
        match Pin::get_mut(self) {
            MaybeHttpsStream::Http(s) => Pin::new(s).poll_flush(cx),
            MaybeHttpsStream::Https(s) => Pin::new(s).poll_flush(cx),
        }
    }

    #[inline]
    fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), io::Error>> {
        match Pin::get_mut(self) {
            MaybeHttpsStream::Http(s) => Pin::new(s).poll_shutdown(cx),
            MaybeHttpsStream::Https(s) => Pin::new(s).poll_shutdown(cx),
        }
    }
}